Oracle ACFS is designed as a hierarchical file system containing files and subdirectories organized into a tree-structured namespace with files at the leaves. The namespace design is a single-file system naming model for both standalone server and cluster configurations. This design enables each cluster member to present shared files to cluster applications using the same path names, simplifying multi-node application and user access, and overall file system administration. The Oracle ACFS mount model also accommodates node local mounts and cluster node subset mounts in cluster configurations to accommodate additional customer requirements.
It is best practice for Oracle ACFS file systems to be Oracle Clusterware managed with Oracle Clusterware resources to ensure they are properly handled during Oracle Grid Infrastructure startup and shutdown.
You can explicitly use the mount command. However, if the resource has been created, then the file system may already be mounted.